Flush and vent the rear axle brake circuit

NOTE: Description is for right component only. The procedure on the left side is identical.

Begin with the flushing at the right rear .
Connect the vent hose with the collecting vessel to the bleed valve (1) on rear right brake caliper.
Open the bleed valve (1) and purge it until clear, bubble-free brake fluid emerges.

Close bleed valve.

TIGHTENING TORQUES SPECIFICATION

Rear bleed valve
Bleed valve	tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.